Add more const-ness to the stream endpoint/pipe functions where possible.
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.h
index 85e37e1..c674b6d 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
                        #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
                #endif
 
                        #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
                #endif
 
-               #if defined(__INCLUDE_FROM_AUDIO_DEVICE_C) && defined(NO_STREAM_CALLBACKS)
-                       #error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers.
-               #endif
-
        /* Public Interface - May be used in end-application: */
                /* Type Defines: */
                        /** \brief Audio Class Device Mode Configuration and State Structure.
                         *
                         *  Class state structure. An instance of this structure should be made for each Audio interface
                         *  within the user application, and passed to each of the Audio class driver functions as the
        /* Public Interface - May be used in end-application: */
                /* Type Defines: */
                        /** \brief Audio Class Device Mode Configuration and State Structure.
                         *
                         *  Class state structure. An instance of this structure should be made for each Audio interface
                         *  within the user application, and passed to each of the Audio class driver functions as the
-                        *  AudioInterfaceInfo parameter. This stores each Audio interface's configuration and state information.
+                        *  \c AudioInterfaceInfo parameter. This stores each Audio interface's configuration and state information.
                         */
                        typedef struct
                        {
                         */
                        typedef struct
                        {
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
-                        *  \return Boolean true if the endpoints were successfully configured, false otherwise.
+                        *  \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
                         */
                        bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                         */
                        bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
-                        *  \return Boolean true if the given Audio interface has a sample to be read, false otherwise.
+                        *  \return Boolean \c true if the given Audio interface has a sample to be read, \c false otherwise.
                         */
                        static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                                                                         ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
                         */
                        static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                                                                         ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
                         *
                         *  \param[in,out] AudioInterfaceInfo  Pointer to a structure containing an Audio Class configuration and state.
                         *
-                        *  \return Boolean true if the given Audio interface is ready to accept the next sample, false otherwise.
+                        *  \return Boolean \c true if the given Audio interface is ready to accept the next sample, \c false otherwise.
                         */
                        static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                                                                             ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
                         */
                        static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
                                                                             ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
                        static inline void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
                                                                      const int32_t Sample)
                        {
                        static inline void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
                                                                      const int32_t Sample)
                        {
-                               Endpoint_Write_Byte(Sample >> 16);
                                Endpoint_Write_Word_LE(Sample);
                                Endpoint_Write_Word_LE(Sample);
+                               Endpoint_Write_Byte(Sample >> 16);
 
                                if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)
                                  Endpoint_ClearIN();
 
                                if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)
                                  Endpoint_ClearIN();